* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: #0a0a0f;
  color: #ffffff;
  overflow-x: hidden;
}

/* HERO */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
  filter: brightness(0.3);
}

.hero-content {
  max-width: 800px;
  padding: 20px;
}

.hero h1 {
  font-family: 'Orbitron', sans-serif;
  font-size: 3rem;
  letter-spacing: 2px;
  margin-bottom: 20px;
  text-shadow: 0 0 10px #00f7ff, 0 0 20px #00f7ff;
}

.hero p {
  font-size: 1.2rem;
  opacity: 0.8;
}

/* BOTÓN */
.cta {
  margin-top: 25px;
  padding: 12px 25px;
  background: #00f7ff;
  border: none;
  border-radius: 30px;
  color: #000;
  font-weight: bold;
  cursor: pointer;
  transition: 0.3s;
}

.cta:hover {
  box-shadow: 0 0 20px #00f7ff;
  transform: scale(1.05);
}

/* SECCIÓN */
.section {
  padding: 100px 20px;
  max-width: 1100px;
  margin: auto;
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 20px;
  color: #00f7ff;
}

.section p {
  font-size: 1.1rem;
  line-height: 1.7;
  opacity: 0.85;
}

/* CARDS */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 25px;
  border-radius: 15px;
  backdrop-filter: blur(10px);
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  border-color: #00f7ff;
}

.card h3 {
  margin-bottom: 10px;
  color: #00f7ff;
}

html {
  scroll-behavior: smooth;
}